Bhagavad Gita Chapter 13.35
kṣetra-kṣetrajñayor evam
antaraḿ jñāna-cakṣuṣā
bhūta-prakṛti-mokṣaḿ ca
ye vidur yānti te param
Translation
Those who see with eyes of knowledge the difference between the body and the knower of the body, and can also understand the process of liberation from bondage in material nature, attain to the supreme goal.